<!DOCTYPE html>
<html>
  <head>
  	<meta charset='UTF-8'/>
  	<meta name='viewport' content='width=device-width,initial-scale=1,maximum-scale=1'/> 
    <title>test</title>
  </head>
  <body>
    <select>
      <option value='0'>0</option>
      <option value='10'>10</option>
      <option value='20'>20</option>
      <option value='30'>30</option>
      <option value='40'>40</option>
      <option value='50'>50</option>
      <option value='60'>60</option>
      <option value='70'>70</option>
      <option value='80'>80</option>
      <option value='90'>90</option>
    </select>
  </body>
</html>